From 16b96d2cb409825da8a0943dcd41b41648d8d44f Mon Sep 17 00:00:00 2001
From: Andrew Lenharth <andrewl@lenharth.org>
Date: Thu, 9 Mar 2006 17:16:45 +0000
Subject: Alpha Scheduling classes

llvm-svn: 26643
---
 llvm/lib/Target/Alpha/AlphaSchedule.td | 84 ++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 llvm/lib/Target/Alpha/AlphaSchedule.td

(limited to 'llvm/lib/Target/Alpha/AlphaSchedule.td')

diff --git a/llvm/lib/Target/Alpha/AlphaSchedule.td b/llvm/lib/Target/Alpha/AlphaSchedule.td
new file mode 100644
index 00000000000..b3aab97aa42
--- /dev/null
+++ b/llvm/lib/Target/Alpha/AlphaSchedule.td
@@ -0,0 +1,84 @@
+//===- AlphaSchedule.td - Alpha Scheduling Definitions -----*- tablegen -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Andrew Lenharth and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+
+//This is table 2-2 from the 21264 compiler writers guide
+//modified some
+
+//Pipelines
+
+def L0   : FuncUnit;
+def L1   : FuncUnit;
+def FST0 : FuncUnit;
+def FST1 : FuncUnit;
+def U0   : FuncUnit;
+def U1   : FuncUnit;
+def FA   : FuncUnit;
+def FM   : FuncUnit;
+
+def s_ild   : InstrItinClass;
+def s_fld   : InstrItinClass;
+def s_ist   : InstrItinClass;
+def s_fst   : InstrItinClass;
+def s_lda   : InstrItinClass;
+def s_rpcc  : InstrItinClass;
+def s_rx    : InstrItinClass;
+def s_mxpr  : InstrItinClass;
+def s_icbr  : InstrItinClass;
+def s_ubr   : InstrItinClass;
+def s_jsr   : InstrItinClass;
+def s_iadd  : InstrItinClass;
+def s_ilog  : InstrItinClass;
+def s_ishf  : InstrItinClass;
+def s_cmov  : InstrItinClass;
+def s_imul  : InstrItinClass;
+def s_imisc : InstrItinClass;
+def s_fbr   : InstrItinClass;
+def s_fadd  : InstrItinClass;
+def s_fmul  : InstrItinClass;
+def s_fcmov : InstrItinClass;
+def s_fdivt : InstrItinClass;
+def s_fdivs : InstrItinClass;
+def s_fsqrts: InstrItinClass;
+def s_fsqrtt: InstrItinClass;
+def s_ftoi  : InstrItinClass;
+def s_itof  : InstrItinClass;
+def s_pseudo : InstrItinClass;
+
+//Table 2­4 Instruction Class Latency in Cycles
+//modified some
+
+def Alpha21264Itineraries : ProcessorItineraries<[
+  InstrItinData<s_ild    , [InstrStage<3, [L0, L1]>]>,
+  InstrItinData<s_fld    , [InstrStage<4, [L0, L1]>]>,
+  InstrItinData<s_ist    , [InstrStage<0, [L0, L1]>]>,
+  InstrItinData<s_fst    , [InstrStage<0, [FST0, FST1, L0, L1]>]>,
+  InstrItinData<s_lda    , [InstrStage<1, [L0, L1, U0, U1]>]>,
+  InstrItinData<s_rpcc   , [InstrStage<1, [L1]>]>,
+  InstrItinData<s_rx     , [InstrStage<1, [L1]>]>,
+  InstrItinData<s_mxpr   , [InstrStage<1, [L0, L1]>]>,
+  InstrItinData<s_icbr   , [InstrStage<0, [U0, U1]>]>,
+  InstrItinData<s_ubr    , [InstrStage<3, [U0, U1]>]>,
+  InstrItinData<s_jsr    , [InstrStage<3, [L0]>]>,
+  InstrItinData<s_iadd   , [InstrStage<1, [L0, U0, L1, U1]>]>,
+  InstrItinData<s_ilog   , [InstrStage<1, [L0, U0, L1, U1]>]>,
+  InstrItinData<s_ishf   , [InstrStage<1, [U0, U1]>]>,
+  InstrItinData<s_cmov   , [InstrStage<1, [L0, U0, L1, U1]>]>,
+  InstrItinData<s_imul   , [InstrStage<7, [U1]>]>,
+  InstrItinData<s_imisc  , [InstrStage<3, [U0]>]>,
+  InstrItinData<s_fbr    , [InstrStage<0, [FA]>]>,
+  InstrItinData<s_fadd   , [InstrStage<6, [FA]>]>,
+  InstrItinData<s_fmul   , [InstrStage<6, [FM]>]>,
+  InstrItinData<s_fcmov  , [InstrStage<6, [FA]>]>,
+  InstrItinData<s_fdivs  , [InstrStage<12, [FA]>]>,
+  InstrItinData<s_fdivt  , [InstrStage<15, [FA]>]>,
+  InstrItinData<s_fsqrts , [InstrStage<18, [FA]>]>,
+  InstrItinData<s_fsqrtt , [InstrStage<33, [FA]>]>,
+  InstrItinData<s_ftoi   , [InstrStage<3, [FST0, FST1, L0, L1]>]>,
+  InstrItinData<s_itof   , [InstrStage<4, [L0, L1]>]>
+]>;
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